/*******************************************************************************
 * Copyright IBM Corp. and others 2000
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution
 * and is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception [1] and GNU General Public
 * License, version 2 with the OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] https://openjdk.org/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 *******************************************************************************/

#ifndef NODEUNIONS_INCL
#define NODEUNIONS_INCL

#include <stddef.h>
#include "il/NodeUtils.hpp"

/*
 * This file defines the unions picked up by TR::Node
 */

struct UnionedWithChildren {
    /*
     * To avoid bloating TR_Node, this struct should declare no
     * members outside the below union.
     *
     * Be very careful when adding members as well.
     * It must be ensured that whatever added is exclusive of not only
     * the members in this union, but also the members of the
     * TR::Node child union
     */

    union {
        GlobalRegisterInfo _globalRegisterInfo;

        // Offset to WCode literal pool for constants > 8 bytes
        size_t _offset;

        ChildUnionMembers::RelocationInfo _relocationInfo;
        ChildUnionMembers::CaseInfo _caseInfo;
        ChildUnionMembers::MonitorInfo _monitorInfo;
    };
};
#endif
